The Catholic Wisdom — The 1930 Encyclical That Still Gets Marriage Right

What Is Casti Connubii?

Casti Connubii (“On Christian Marriage”) is a 1930 encyclical by Pope Pius XI, issued December 31st. In 129 paragraphs, Pius XI draws heavily on Augustine to articulate the nature and dignity of marriage — its three goods (offspring, fidelity, sacrament), the duties of spouses, and the threats already emerging in his era against the permanence and sanctity of marriage. It remains foundational to the Catholic marriage tradition.

Why It Matters for Dating and Marriage

This document was written 96 years ago. It warned about rising divorce rates, the pressure to treat marriage as a private arrangement with an exit clause, and the cultural drift toward treating children as optional accessories. Nothing in that list has aged poorly. The men and women I work with are living inside exactly the collapse Pius XI saw coming. His framework is simple: marriage is a sacrament with objective goods, not a contract between two parties who may or may not stay satisfied. That distinction is the antidote to the disposable version of commitment that wrecks people today.

One Teaching We Use Every Day

Pius XI, drawing on Augustine, names three goods of marriage: offspring (proles), fidelity (fides), and sacrament (sacramentum) — CC §11-24. We use the fidelity piece constantly. Fidelity isn’t just “don’t cheat.” It’s the orientation of the whole self toward one person as a created act of will, not just feeling. That distinction is everything in a culture that treats infidelity as inevitable whenever desire fades.

How We Apply It

In True Love (Young Adults 20-39): We use CC’s framework to help men understand what they’re actually building toward. Not a romantic experience. A sacramental covenant with objective goods that don’t depend on how they feel on any given morning.

In Before Forever (High School 14-19): Module 7 on marriage permanence uses CC to show students that the Church’s teaching on lifelong commitment isn’t arbitrary. It’s built on a coherent anthropology of what marriage is and what it does to the human person.

FAQ

Q: Isn’t a 1930 document too outdated to be useful? A: Casti Connubii is more timely than most content published this week. Its diagnosis of where Western marriage culture was heading reads like it was written last year, not in 1930.

Q: How does Casti Connubii relate to later documents like Humanae Vitae? A: It’s the foundation. HV (1968) builds on CC’s framework for the nature of marriage and the transmission of life. Reading CC first makes HV considerably easier to understand.

This article is part of The Catholic Wisdom Behind Our Coaching series. Next: Christ Is Alive — And He’s Talking to You.

In Christ,

Mike

Mike Palitto is co-founder of Finding Adam Finding Eve ministry and co-creator of the Game of Love app.